Damon Howe

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Verified

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• Doctor of Philosophy
• Senior Lecturer at Australian Maritime College

Despite advancements in direct sensing technologies, accurately capturing complex wave–structure interactions remain a significant challenge in ship and ocean engineering. Ensuring the safety and reliability of floating structures requires precise monitoring of dynamic water interactions, particularly in extreme sea conditions. Recent developments...

The rise of Artificial Intelligence (AI) and machine learning (ML) in recent years has encouraged practitioners to explore new solutions for longstanding and complex issues, resulting in significant advancements across various fields. In the realm of seakeeping and ocean engineering, researchers have begun testing ML-based data-driven models, leadi...

The increasing influence of AI across various scientific domains has prompted engineering to embark on new explorations. However, studies often overlook the foundational aspects of the maritime field, leading to over-optimistic or oversimplified outputs for real-world applications. We previously highlighted the sensitivity of trained models to nois...

These days, AI and machine learning (ML) have become pervasive in numerous fields. However, the maritime industry has faced challenges due to the dynamic and unstructured nature of environmental inputs. Hydrodynamic models, vital for predicting ship responses and estimating sea states, rely on diverse data sources of varying fidelities. The effecti...

The increasing influence of AI across various scientific domains has prompted engineering to embark on new explorations for complex challenges. However, recent studies often overlook the foundational aspects of the maritime field, leading to over-optimistic or oversimplified outputs for real-world application purposes. To address these concerns, in...

Understanding the impact of environmental factors, particularly seaway, on marine units is critical for developing efficient control and decision support systems. To this end, the concept of wave buoy analogy (WBA), which utilizes ships as sailing buoys, has captured practitioners' attention due to its cost-effectiveness and extensive coverage. Des...

Understanding the impact of environmental factors, particularly seaway, on marine units is critical for developing efficient control and decision support systems. Despite extensive research on the wave buoy analogy (WBA), real-time sea state estimation (SSE) has remained challenging due to the need for adequate data to construct a consistent probab...

Considering the broad applications in autonomous marine vehicle control, ship response prediction has emerged as a significant area of interest in seakeeping. In particular, the short-term prediction and online updates of the ship response have been in the practical attention span. Although numerous studies have explored various predictors, the asy...

This study addresses the crucial need for wave parameter identification in floating units at sea, where waves serve as a primary environmental force. Despite decades of research, online wave estimation using ship-borne sensors, known as the wave buoy analogy (WBA), has not provided a definitive solution for deterministic sea state estimation. Our s...

Online ship response prediction is one of the emerging interests in seakeeping due to the extensive range of applications for autonomous control of marine vehicles. In particular, the short-term prediction and online updates of ship response have received special attention. Despite a body of studies on different predictors, the asymptotic propertie...

The emerging trend of autonomous shipping has demanded the automation of many onboard systems and sub-systems to minimize human involvement in decision-making. Given the time-varying nature of the sea, the respective knowledge of ship response possesses a variety of applications in real-time operations and guidance, where predicting responses a few...

Given the recent rise of autonomous shipping, the knowledge of environmental seaway awareness has become imperative for automated control systems onboard and autonomous units in general. The real-time wave data enables the decision-maker to evaluate dynamic wave loads on the marine structure and efficiently monitor/operate the vessel’s conditions o...

The global aquaculture industry is facing new challenges as it strives to satisfy the continually growing demand for seafood products. The expanding industry brings with it challenges such as the diminishing availability of suitable coastal zones due to increased competition for marine-use areas, and a responsibility to limit negative impacts to th...

The M4 family of Wave Energy Converters consist of 3 rows of floats, with the front two rows rigidly connected and a hinged connection(s) to the back row. The various possible configurations are commonly identified by the number of floats in each row – hence 1-2-1 has 1 float in front, 2 in the middle, and 1 at the rear. A study by Stansby et al 20...

Ship response prediction is one of the emerging interests in seakeeping, given the extensive range of applications for autonomous control of marine vehicles. In particular, the shortterm prediction and online updates of the ship response have been in the practical attention span. Despite a body of studies on different predictors, the asymptotic pro...

Given the recent rise of autonomous shipping, the knowledge of environmental seaway awareness has become imperative for automated control systems onboard and autonomous units in general. The real-time wave data enables the decision-maker to evaluate dynamic wave loads on the marine structure and efficiently monitor/operate the vessel's conditions o...

Wave attenuation performance is the prime consideration when designing any floating breakwater. For a 2D hydrodynamic analysis of a floating breakwater, the wave attenuation performance is evaluated by the transmission coefficient, which is defined as the ratio between the transmitted wave height and the incident wave height. For a 3D breakwater, s...

Ocean energy presents arguably one of the most rich renewable energy solutions currently under exploration, and consists of a variety of potential resources including tidal barrages, salinity gradients and ocean thermal energy. However two sources, tidal currents and ocean waves, are considered by many as the most promising and have subsequently ob...

Maritime structure integration is widely considered as a potential solution for reducing the high Levelised Cost of Electricity (LCOE) associated with Wave Energy Converter (WEC) technologies. However, the majority of published research has focused on fixed structure integration [1,2], with far fewer investigating the potential for floating structu...

This article is Part B of a study into the proof-of-concept of a floating breakwater integrated with multiple Oscillating Water Column (OWC) Wave Energy Converters (WEC). The structure is designed for nearshore and offshore applications and the investigation was performed through model scale hydrodynamic experimentation. Part A introduced the conce...

Currently, ocean wave energy technology is in its infancy relative to the mature renewable energy technologies such as wind and solar. Due to its early stage of development, ocean wave energy has high associated Levelised Cost of Electricity (LCOE), a measure of lifetime costs relative to lifetime energy production. Several solutions have been deri...

Integration of Ocean Renewable Energy (ORE) devices within multi-use maritime structures stands as one potentially effective method to reduce the high Levelised Cost of Electricity (LCOE) currently associated with the sector. Integration within fixed structures such as breakwaters and sea-walls are feasible, but this is very much depth limited from...

It is well documented that the effect of air compressibility will potentially influence the performance of an Oscillating Water Column (OWC) device, with a number of previous theoretical studies examining these effects [1-5]. The implications of air compressibility have the most significant effect at full scale, which can be attributed to the large...

The oscillating water column (OWC) wave energy converter is arguably the most heavily researched ocean renewable energy concept currently in development. Many variations of the concept have been proposed and explored, of which the bent duct type OWC has presented itself as one of the most effective concepts for absorbing ocean wave energy. The inte...

A research poster that was recently presented at the 11th Annual Graduate Research Conference held in Hobart, Tasmania, 7-8 September, 2017

Oscillating Water Column (OWC) Wave Energy Converters (WECs) are one of the most studied, developed and tested devices associated with Ocean Renewable Energy (ORE) today. Variations in concept design and hydrodynamic characteristics have been researched extensively, however the main issue associated with ORE is the high Levelised Cost of Energy (LC...

This paper presents a practical example of an uncertainty analysis applied to the results of an oscillating water column (OWC) wave energy converter (WEC) model test experiment in regular waves. The 1:20 scale OWC device equipped with a porous mesh power takeoff (PTO) system was integrated into a fully reflective breakwater and installed in the Aus...